package org.wisigoth.chat.client;

import java.util.EventListener;
/**
 * PresenceListener is an observer interested in any change in a presence state
 * @author tof
 *
 */
public interface PresenceListener extends EventListener {

	/**
	 * This method is called whenever a presence state changes.
	 * @param event
	 */
	public void presenceChanged(PresenceEvent event);

}
